(movsf,movdf): Change constraints to use integer regs for mem-mem copies.

From-SVN: r3004

gcc/config/i386/i386.md

@@ -770,9 +770,13 @@
   return AS1 (push%L1,%1);
 }")
 
+;; The constraints used to be:
+;; op 0 "=f,fm,!*rf,!*rm"
+;; op 1 "fmG,f,*rfm,*rfF"
+
 (define_insn "movsf"
-  [(set (match_operand:SF 0 "general_operand" "=f,fm,!*rf,!*rm")
-	(match_operand:SF 1 "general_operand" "fmG,f,*rfm,*rfF"))]
+  [(set (match_operand:SF 0 "general_operand" "=*rf,*rfm,f,!*rm")
+	(match_operand:SF 1 "general_operand" "*rfm,*rf,fG,fF"))]
   ""
   "*
 {
@@ -867,9 +871,13 @@
     return AS1 (fxch,%0);
 }")
 
+;; The constraints used to be:
+;; op 0 "=f,fm,!*rf,!*rm"
+;; op 1 "fmG,f,*rfm,*rfF"
+
 (define_insn "movdf"
-  [(set (match_operand:DF 0 "general_operand" "=f,fm,!*rf,!*rm")
-	(match_operand:DF 1 "general_operand" "fmG,f,*rfm,*rfF"))]
+  [(set (match_operand:DF 0 "general_operand" "=*rf,*rfm,f,!*rm")
+	(match_operand:DF 1 "general_operand" "*rfm,*rf,fG,fF"))]
   ""
   "*
 {